Look at some of the major latitudinal transgressions people from high UV areas going to low UV and vice versa.

Between 1520 and 1867, 12 million, 500 people were moved from high UV to low UV areas in the transatlantic slave trade.

A windshield coating is going to give you about 110 degrees.

The UV light reduces the iron(III) to iron(II).

Eventually, all but one of the magnets developed a coating of dust.

The paper is then dried in the absence of UV light.

Some of us with lightly pigmented skin live in high UV areas.

Some of us with darkly pigmented skin live in low UV areas.

Galvanization often fails at seams, holes, and joints where there are gaps in the coating.

So if I put this inside this water here, you can see a silver reflective coating around it, and that silver reflective coating is the layer of air that's protecting the water from touching the paddle, and it's dry.

The ionosphere is mainly sustained by solar UV radiation and its density depends on the solar activity.

UV absorption leads to chain degradation and loss of strength at sensitive points in the chain structure.

(On newer Visa cards, the UV dove is replaced by a small V over the Visa logo.

What's very, very important here is that the earliest humans evolved in high UV environments, in equatorial Africa.

Well, the surface of the spray coating is actually filled with nanoparticles that form a very rough and craggly surface.

Images on social media showed thin layers of ash coating car windshields in neighborhoods of Mexico City such as Xochimilco.

The ozone layer plays an important role in depleting the amount of ultraviolet (UV) radiation that reaches the surface.

Now the really hot pink and red areas are those parts of the world that receive the highest amounts of UV during the year.

Likewise, an electromagnetic wave can have a frequency higher than , but it will be invisible to the human eye such waves are called ultraviolet (UV) radiation.

And now kinetic and architectural firms like Grimshaw are starting to look at this as a way of coating buildings so that they gather water from the fog.

The heating of the stratosphere is caused by absorption of solar UV and IR radiation by methane and other hydrocarbons, which form in this part of the atmosphere as a result of methane photolysis.

The recommended erasure procedure is exposure to UV light at 253.7 nm of at least 15 W sec cm² for 20 to 30 minutes, with the lamp at a distance of about 2.5 cm.

So as part of the demonstration, what I have is a pair of gloves, and we've coated one of the gloves with the nanotechnology coating, and let's see if you can tell which one, and I'll give you a hint.

This was an epiphany. We came to understand and to prove that the brown coating that we see today was not done by Leonardo da Vinci, which left us only the other drawing that for five centuries we were not able to see, so thanks only to technology.